Use on door where security is need, turn locking using a includes spindles and fasteners and all accessories need for installation Door handles can be used on both left and right closing security door, Security Screen Door Handle, sliding door handle It can be used on wood door, security door, screen door. It can be used on both indoor and outdoor door The door handle set is make of zincs Alloy, and rustproof, Enduring, Manufacturer: Rxgiasup